[GitHub] [druid] techdocsmith commented on a change in pull request #11565: docs: clarify RealtimeMetricsMonitor, HistoricalMetricsMonitor

[GitBox <gi...@apache.org>]

techdocsmith commented on a change in pull request #11565:
URL: https://github.com/apache/druid/pull/11565#discussion_r694389006



##########
File path: docs/configuration/index.md
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@@ -362,12 +362,11 @@ The following monitors are available:
 |----|-----------|
 |`org.apache.druid.client.cache.CacheMonitor`|Emits metrics (to logs) about the segment results cache for Historical and Broker processes. Reports typical cache statistics include hits, misses, rates, and size (bytes and number of entries), as well as timeouts and and errors.|
 |`org.apache.druid.java.util.metrics.SysMonitor`|Reports on various system activities and statuses using the [SIGAR library](https://github.com/hyperic/sigar). Requires execute privileges on files in `java.io.tmpdir`. Do not set `java.io.tmpdir` to `noexec` when using `SysMonitor`.|
-|`org.apache.druid.server.metrics.HistoricalMetricsMonitor`|Reports statistics on Historical processes.|
+|`org.apache.druid.server.metrics.HistoricalMetricsMonitor`|Reports statistics on Historical processes. Must be enabled on Historical processs.|

Review comment:
       ```suggestion
   |`org.apache.druid.server.metrics.HistoricalMetricsMonitor`|Reports statistics on Historical processes. Must be enabled on Historical process.|
   ```




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